" Happy, I'm very bored shall we go to Lucy's house?" Natsu asked. They were currently in the guild. Not many people were around today.

"Aye! Let's go and play with her." Happy said cheerfully. They informed Mira and headed to Lucy's house.

"Where should we enter from? Last time we entered from the kitchen and before that from the bathroom." Natsu said.

"She was really angry that day! Lets enter from the door today! We'll surprise her!" Happy replied.

"Great idea, Happy!" Natsu said grinning widely.

Soon they reached her house to find Lucy exiting her house in a hurry.

"Yo Lucy!"Natsu said.

"We have come here to play with you!" Happy said cheerfully.

"Sorry guys but I have promised Levy-chan to meet her in the library right now." Lucy said obviously in a hurry.

"Oh! So we'll come with you." Natsu said.

"You don't need to…"

"But we want to!"

"Okay fine…"

While going to the library they see a girl from far smiling to herself while running. She runs between Lucy and Natsu which made Lucy almost fall into the river who was saved by Happy on time. The girl gives Natsu a smile while running ahead after that unknown girl comes Cana. She waits at Natsu.

"Man! That was close! Thanks happy!" Lucy said sighing in relief.

"Damn that girl she's so quick!" Cana said panting.

"Who's that girl?" Lucy asked clearly confused.

"What happened was that when I was purchasing a drink for myself, that girl purposely pushed me and ran away! Because of her my drink fell down! Next time I'll get her!" Cana said angrily stomping the ground.

"Do you remember how she looks?" Lucy asked.

"Not really, but I remember very well that she has long brown hair and mischievous green eyes!" Cana said.

"I see…" Lucy said thoughtfully.

"I will seriously catch her and kill her! She must be around!" Cana said angrily with a murderous aura lingering around her.

"Okay! Wish you luck we'll take your leave Cana." Lucy said sweat dropping.

On reaching the library-

"Hi Lu-chan! I'm here! Oh Natsu and Happy are with you!" Levy said as she walked up to Lucy.

"Yeah! They were insisting!" Natsu was silent all along.

"What happened Natsu?"Levy asked.

"Nothing just looking around…" Natsu answered still looking lost.

"Natsu is interested in books?!" Happy yelled with a shocked face.

"How low do you think of him?" Lucy said sweat dropping.

"Well I was searching for a particular book and I got the information that it will be available here." Levy said taking a seat on one of the chairs.

"Ma'am you must be interested in reading this book" a librarian told Levy handing her a book.

Natsu notices something strange about the lady. He recognizes the smell of the girl from the time before.

"Levy! Don't open that book!" Natsu yelled.

When she opened it , lots of water is splashed on her face.

"That's magical water book!" Happy said looking at the cover of the book.

"Magical water book? What's that all about?" Lucy asked.

"It's a prank book! Whoever opens it gets drenched!" Happy said.

"How do you know about this…?" Lucy asked.

"We've been many times to the prank store!" Happy said.

"What for….you guys are unbelievable…." Lucy mumbled sweat dropping.

"Hmmm…then the librarian…." Lucy thought and turns to find the librarian. Surprisingly no one was around. The librarian already disappeared.

"Where did she go?!" Natsu asked looking around.

"I'm all soaked! What kind of joke is this!?" Levy yelled grumpily.

"I wonder who's that person behind this silly joke!" Lucy said as she helped Levy get herself dry.

Next day in the guild-

"Hey Levy-chan!" Lucy yelled across the bar as Levy was entering the guild hall.

"Hi Lu-chan…"

"I hope you didn't catch a cold!"

"Nope, thankfully!"

"I wonder who was that girl from yesterday!" Lucy said

"Which girl?" Gray asked.

"Yesterday when I and Lu-chan had gone to the library…" Levy started and narrated about what happened in the library.

"That's weird. Something similar happened with me too! When I was purchasing clothes!" Gray retorted.

"Wear some clothes on!" Lucy said comically.

"I was holding a huge stack of clothes when I girl with long brown hair said that she will help me when she stamped on my foot and ran away! Because of her all the clothes fell down and the shop owner was angry." Gray said looking angry.

"Cana, Levy and now even Gray. All three of ya'll came across a girl with long brown hair…maybe it's the same girl?" Lucy said placing her palm on her chin.

"Even I met a girl with brown hair!" Erza said joining the conversation.

"Seriously?!" Gray and Lucy yelled together comically.

"And you got fooled too?" Natsu asked grinning like an idiot.

"I thought it was impossible to fool Erza!" Happy said.

"No I was not tricked, but I was close. She was a salesgirl there I guess and she served me a cake sprinkled with salt. I got suspicious when she said that she was off for the day just in the morning and she immediately ran out smiling. I also ran outside to follow her. She ran into a path where no one was there. I could sense a lot of magic power from her suddenly. I immediately challenged her to a fight." Erza said. Everyone sweat dropped.

"Wohoo the luck of that girl!" Gray said sarcastically.

"As expected of Erza!" Happy said.

"And then she said some weird spell and turned a key into a huge wand. She took a card out and said " take me to my home-fly!" there were wings on her wand and she flew away. I did not follow her and went back to eat my cake. It tasted horrible because of salt! Damn it my lovely cake!" Erza said and at the end flood of tears gushed from her eyes.

"Who is this girl and why is she behind fairy tail? Can it be an enemy of the guild again?" Lucy said shivering at the word 'enemy'.

" I don't think our guild or any of its members have problem with a girl! She hardly looks about 16 or 17! And, just one enemy a little girl? Highly doubtful!" Levy said thoughtfully.

"Whatever it is we'd better stop her!" Gray said.

"Yeah…" Natsu said.